(7) Explain the causes of river pollution?
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Is more population and increase in factory and peoples washing clothes in rivers make River pollution
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Key causes of pollution include:
spills or leaks from oil and chemical containers
trade effluent going into surface water drains instead of foul water drains, or straight into watercourses
removing too much water from surface waters and groundwater
run-off containing fertilisers and pesticides from farming into surface waters
run-off containing salt during winter months
silt and soil from construction sites and bank erosion on farms
wash waters and waste products
fuel spills
releases of hot water
spills of food products, eg dairy products and fruit juice.
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